Home / 39,006.48-58,509.67-12,711.18

Finding the Fourth Proportional to 39,006.48, 58,509.67 and 12,711.18

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Solution

The fourth proportional to 39,006.48, 58,509.67 and 12,711.18 is: 19,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.48 : 58,509.67 = 12,711.18 : x
  2. Step 2: Convert to fraction form
    39,006.48/58,509.67 = 12,711.18/x
  3. Step 3: Cross multiply
    39,006.48x = 58,509.67 × 12,711.18
  4. Step 4: Simplify right side
    39,006.48x = 743,726,947.11
  5. Step 5: Solve for x
    x = 743,726,947.11/39,006.48
  6. Step 6: Final answer
    x = 19,066.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.